Town Hall Address 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States- Morris County Website http://www.townofmorristown.org County Clerk 973-292-6636 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States County Admin 973-292-6625 P.O. Box 914 Morristown, NJ 07963-0914 United States Assessor 973-292-6668 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States Tax Collector 973-292-6669 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States Attorney 973-796-1912 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States Mayor 973-292-6629 200 South St. P.O. Box 914 Morristown, NJ 07963-0914 United States Municipal Court 973-292-6687 200 South St. P.O. Box 150 Morristown, NJ 07963-0150 United States County Morris